Solutions by everydaycalculation.com
1st number: 15/21, 2nd number: 3 9/12
1521 ÷ 4512 is 421.
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Related: 30/21÷45/12 15/21÷90/12 15/42÷45/12 15/21÷45/24 45/21÷45/12 15/63÷45/12 15/21÷45/36 75/21÷45/12 15/21÷45/60 15/21÷45/84
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